JP2005519161A5 - - Google Patents

Claims (12)

(A) a polymer resin composition having a propylene moiety content of at least 50% by weight based on the weight of the composition;
(B) a foam having a thermal conductivity of at least 0.0005 Watts / meter-Kelvin lower than the thermal conductivity of a propylene polymer foam comprising only components (a), (c), (d) and (e). An infrared shielding material selected from the group consisting of carbon black, activated carbon black, graphite and mixtures thereof in an amount sufficient to produce;
(C) at least one bromine compound present in an amount sufficient to provide DIN 4102 flammability rating B2 to the foam;
(D) a phenolic antioxidant; and (e) substantially non-reactive with the bromine compound and in the foam (1) for a period of at least 25 days and (2) components (a), (b), A hindered amine light stabilizer, N-alkoxyamine stable, present in an amount sufficient to provide heat aging resistance at a temperature of 150 ° C., 3 days longer than the heat aging resistance of the foam containing only (c) and (d) A propylene polymer foam consisting essentially of at least one stabilizer selected from an agent, an N-hydroxylamine stabilizer and a thiosynergist.   The foam further comprises (f) a filler surface deactivator in an amount sufficient to offset the potential adverse effects of component (b), wherein the filler deactivator is an epoxy resin or an epoxy compound. The foam according to claim 1.   The bromine compound is decabromodiphenylethane, tetrabromophthalic acid di-2-ethylhexyl ester, octabromodiphenyl oxide, bis (tribromophenoxy) ethane, tris (triboromoneopentyl) phosphate, brominated trimethylphenylindane and brominated 3. An aromatic bromine compound selected from the group consisting of epoxy resins, present in an amount sufficient to produce a bromine content of at least 0.2% by weight, based on the weight of the polymer resin composition. The foam described in 1. The foam of claim 1 having a density of less than 24 kg / m ³ .   The foam according to claim 1 or 2, which has a cell size in the range of 0.1 to 1.5 mm.   The foam according to claim 1 or 2, wherein the foam is a plank having a fused strand structure, and the plank has a thickness in the range of 10 to 100 mm.   The infrared blocking material is a low structure carbon black selected from the group consisting of thermal black, furnace black, acetylene black and channel black, the carbon black having an average particle size in the range of 10 to 400 nm; and The foam of claim 1 or 2 present in an amount of at least 2% by weight, based on the weight of the polymer resin composition.   The foam according to claim 1 or 2, having a thermal conductivity of 0.045 Watt / meter-Kelvin or less.   2. The infrared blocking material is graphite, the graphite has an average particle size of 1 to 200 [mu] m and is present in an amount in the range of 0.1 to 10% by weight based on the weight of the polymer resin composition. Or the foam as described in 2.   The foam according to claim 1 or 2, wherein the phenolic antioxidant is present in an amount of at least 0.3% by weight, based on the weight of the polymer resin composition.   Used as insulation between inter-column pillars in framed wall construction, as insulation between rafters or ceiling edges, or as a thermal insulation component in insulated concrete wall panels or in the lumens of brick and concrete block walls or cast-in-place concrete walls A heat insulating structure suitable for the heat insulation structure, comprising the foam according to claim 1.   Gaps between adjacent building wall columns, gaps between adjacent trees, gaps between adjacent ceiling edges, gaps between the inner and outer panel parts of insulated concrete wall panels, internal cavities or sites in brick and concrete block walls A heat insulating combination comprising a void of a building or structure selected from an internal cavity of a cast concrete wall and a foam according to claim 1 or 2.